Grietje Blitz, a daughter of Philip Blitz and Chrisje Carels, married 20 September 1916 in Amsterdam to Hartog Swaab, a son of Joseph Swaab and Jetje Berkhof. website www.wiewaswie.nl.
In addition, a Jokos file (number 11428) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.